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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_OBSERVER_H_ | |
| 6 #define CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_OBSERVER_H_ | |
| 7 | |
| 8 class TabRestoreService; | |
| 9 | |
| 10 // Observer is notified when the set of entries managed by TabRestoreService | |
| 11 // changes in some way. | |
| 12 class TabRestoreServiceObserver { | |
| 13 public: | |
| 14 // Sent when the set of entries changes in some way. | |
| 15 virtual void TabRestoreServiceChanged(TabRestoreService* service) = 0; | |
| 16 | |
| 17 // Sent to all remaining Observers when TabRestoreService's | |
| 18 // destructor is run. | |
| 19 virtual void TabRestoreServiceDestroyed(TabRestoreService* service) = 0; | |
| 20 | |
| 21 protected: | |
| 22 virtual ~TabRestoreServiceObserver() {} | |
| 23 }; | |
| 24 | |
| 25 #endif // CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_OBSERVER_H_ | |
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